Electron Beam Surface Treatment of 316L Austenitic Stainless Steel: Improvements in Hardness, Wear, and Corrosion Resistance

被引：17

作者：

Basak, Soumyabrata ^{[1
,2
]}

Sharma, Sumit K. ^{[3
,4
]}

Mondal, Mounarik ^{[1
]}

Sahu, Kisor K. ^{[5
]}

Gollapudi, Srikant ^{[5
]}

Majumdar, Jyotsna Dutta ^{[4
]}

Hong, Sung-Tae ^{[1
]}

机构：

[1] Univ Ulsan, Sch Mech Engn, Ulsan 44610, South Korea

[2] Adamas Univ, Sch Engn & Technol, Dept Mech Engn, Kolkata 700126, W Bengal, India

[3] BIT Sindri, Dept Met Engn, Dhanbad 828123, Jharkhand, India

[4] Indian Inst Technol Kharagpur, Dept Met & Mat Engn, Kharagpur 721302, W Bengal, India

[5] Indian Inst Technol Bhubaneswar, Sch Minerals Met & Mat Engn, Argul Campus, Jatani 752050, Odisha, India

来源：

METALS AND MATERIALS INTERNATIONAL | 2021年 / 27卷 / 05期

基金：

新加坡国家研究基金会;

关键词：

Electron beam surface treatment; Austenitic stainless steel; Wear; Corrosion; MATERIALS CHALLENGES; ANNEALING TWINS; PULSED-ION; BEHAVIOR; LASER; MICROSTRUCTURE; TI-6AL-4V; CRACKING; TENSILE; IRON;

D O I：

10.1007/s12540-020-00773-y

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present work discusses changes in hardness, wear, and corrosion behavior of electron beam (EB) surface treated (or simply, EB treated) 316L austenitic stainless steel (ASS) vis-a-vis the as-received material. Due to rapid solidification within the EB treated region, a fine dendritic structure develops within the surface and sub-surface of the EB treated material, which accounts for its superior hardness, wear, and corrosion behavior. The surface microhardness of the EB treated material is 22% enhanced than that of the as-received material. The cumulative wear depth of the EB treated material is 77% lower than the as-received material. An improvement in corrosion potential and an order of magnitude reduction in equilibrium corrosion current density are observed following EB treatment. The results of the present study suggest that EB treatment can be effectively used to enhance the surface properties of the selected ASS by microstructural refinement of the surface and sub-surface of the material. Graphic

引用

页码：953 / 961

页数：9

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